This is according to tech blogger, Dr. Drang, who claims that he had to reset Touch ID every month or so to teach it to read his fingerprints all over again. According to him, he believes that Touch ID could be polluting its data by updating the initial scan with additional scans, and overtime the image that is stored will no longer resemble those of your fingerprints, hence the need to reset it every now and then. John Gruber at Daring Fireball semi-agrees with Drang’s findings, claiming that he has had several readers ask him about it recently, although he himself did not find any drop-off in accuracy.
What do you guys think? Any of our readers experience a drop-off in accuracy with Touch ID on the iPhone 5s?